# double-opt-in/3.0.62/core/UIPageForm.class.php

Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification, version 3.0.62. 114 lines.

- Page: https://pluginprobe.com/plugins/double-opt-in/3.0.62/code/core/UIPageForm.class.php
- Raw: https://pluginprobe.com/plugins/double-opt-in/3.0.62/raw/core/UIPageForm.class.php
- Modified: 2024-08-13T13:52:36+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/double-opt-in/3.0.62/code/core/UIPageForm.class.php#L10-L20`.

```php
<?php

namespace forge12\contactform7\CF7DoubleOptIn {
	if ( ! defined( 'ABSPATH' ) ) {
		exit;
	}

	abstract class UIPageForm extends UIPage {
		/**
		 * define if the button for the submit should be displayed or not.
		 * if hidden, the wp_nonce will also be removed. Ensure you handle
		 * the save process on your own. The onSave function will still be called
		 *
		 * @var bool
		 */
		private $hide_submit_button = false;

		/**
		 * @return mixed
		 */
		protected function maybeSave() {
			if ( isset( $_POST['doi_settings_nonce'] ) && wp_verify_nonce( $_POST['doi_settings_nonce'], 'doi_settings_action' ) ) {
				$settings = CF7DoubleOptIn::getInstance()->getSettings();

				$settings = apply_filters( 'f12_cf7_doubleoptin_ui_' . $this->slug . '_before_on_save', $settings );

				$settings = $this->onSave( $settings );

				$settings = apply_filters( 'f12_cf7_doubleoptin_ui_' . $this->slug . '_after_on_save', $settings );

				$this->save( $settings );

				Messages::getInstance()->add( __( 'Settings updated', 'double-opt-in' ), 'success' );
			}
		}

		/**
		 * Save the settings.
		 *
		 * @param array $settings The settings to be saved.
		 *
		 * @return void
		 * @private WordPress HOOK
		 */
		protected function save( array $settings ) {
			update_option( 'f12-doi-settings', $settings );

			do_action( 'f12_cf7_doubleoptin_ui_' . $this->slug . '_after_save', $settings );
		}

		/**
		 * Option to hide the submit button
		 *
		 * @param bool $hide
		 *
		 * @return void
		 */
		protected function hideSubmitButton( $hide ) {
			$this->hide_submit_button = $hide;
		}

		/**
		 * Returns true if the button should be hidden.
		 *
		 * @return bool
		 */
		protected function isSubmitButtonHidden() {
			return $this->hide_submit_button;
		}

		/**
		 * Update the settings and return them
		 *
		 * @param $settings
		 *
		 * @return array
		 */
		protected abstract function onSave( $settings );

		/**
		 * @return void
		 * @private WordPress HOOK
		 */
		public function renderContent( $slug, $page ) {
			if ( $this->slug != $page ) {
				return;
			}

			$this->maybeSave();

			$settings = CF7DoubleOptIn::getInstance()->getSettings();

			echo Messages::getInstance()->getAll();
			?>
            <div class="box">
                <form action="" method="post">
					<?php
					do_action( 'f12_cf7_doubleoptin_ui_' . $page . '_before_content', $settings );
					$this->theContent( $slug, $page, $settings );
					do_action( 'f12_cf7_doubleoptin_ui_' . $page . '_after_content', $settings );


					if ( ! $this->isSubmitButtonHidden() ):
						wp_nonce_field( 'doi_settings_action', 'doi_settings_nonce' );
						?>
                        <input type="submit" name="doubleoptin-settings-submit" class="button"
                               value=" <?php _e( 'Save', 'double-opt-in' ); ?>"/>
					<?php endif; ?>
                </form>
            </div>
			<?php
		}
	}
}
```